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A new formulation of floorplan reconstruction, as the simultaneous generation of multiple ordered sequences of room corners.

The RoomFormer model, an end-to-end trainable, Transformer-type architecture that implements the proposed formulation via two-level queries that predict a set of polygons each consisting of a sequence of vertex coordinates.

Improved floorplan reconstruction scores on both Structured3D [1]} and SceneCAD [2]}, with faster inference times.

Model variants able to additionally predict semantic room type labels, doors and windows.

